Calculate the molar mass (in grams/mol) of     a) osmium metal, the densest naturally occurring element     b) baking soda, NaHCO3     c) vitamin D, C28H44O, required for healthy bones and teeth.

Q: C. What is the mass (in grams) of 5.03 × 1022 molecules of CO2 molecules?

A: Number of molecules of any species is given by, => Number of molecules = moles X Avogadro's…

Q: How many atoms there in 5 molecules of hydrogen peroxide, H2O2?

A: Given, 5 Molecules of H2O2  One mole of any substance contains 6.023*1023 atoms/ions/molecules.

Q: Calculate the mass (in g) of 4.95 moles of H2O.

A: Consider the given information is as follows; Moles of water H2O = 4.95 mol Mass of water H2O = ?…

Q: What is the mass (in ka) of 6.89 x 1025 molecules of CO2? The moiar mass of co2 is 44.01gimoi. :-

A: The mass of CO2 is calculated by finding moles of CO2.

Q: Cortisol (μ=362.47 g/mol), one of the major steroid hor-mones, is a key factor in the synthesis of…

A: The number of carbon atom, (nC), is calculated as shown below where 69.6 % is the percentage…

Q: When 6.65 g of the hydrate NiSO4 • xH2O was heated in a vacuum, the water was driven off and 3.67 g…

A: NiSO4 . xH2O is a hydrated form of nickel Sulphate and the water involved is called water of…

Q: What is the mass in grams of 0.626 cmol(+) of magnesium (Mg2+), where cmol(+) is the moles of charge…

A: Concept:  Number of moles can be find by the given formula:  Moles = weight M.W.  Where  M.W. =…

Q: a sample of pure alumina hydrate was obtained from a bag of flame retardant. A 5.000g sample of the…

A: Given, Mass of sample = 5.000g. Final weight of sample after heating = 2.651g. The mass of water in…

Q: What is the mass, in grams, of 9.71×1024 molecules of methanol (CH3OH)?

A: Introduction :  We need to calculate mass in grams for CH3OH . First convert molecules into moles .

Q: How many H atoms are in 19.9 g of isopropanol (rubbing alcohol), C3H3O?

A:

Q: What is the mass, in grams, of 9.29×1024 molecules of methanol (CH3OH

A: Given :-9.29x1024 molecules of methanolFirst convert molecules into moles9.29x1024molecules of…

Q: In mammals, lactose (milk sugar) is metabolized to glucose (C6H12O6), the key nutrient for…

A: Given :  Calculate the mass percent of C in glucose

Q: 1. The number of ammonia (NH3) molecules present in 4.85 grams of NH3 is: 2.…

A:

Q: What is the mass of 2.9 × 10^26 molecules of dinitrogen pentoxide, N2O5(g)?

A: Molecules of N2O5 = 2.9 x 1026

Q: what is the molar mass of Ca3(PO4)2?

A: The molar mass of the compound can be calculated by the addition of the atomic mass of constituent…

Q: What is the mass, in grams, of 9.47×1024 molecules of methanol (CH3OH)?

A: The number of moles of methanol is calculated as,

Q: The metal, Pellissippium (Pe), has a molar mass of 65.01 g/mol. What is the mass of 2.300 moles of…

A: The mass of metal, Pellissippium (Pe) has a molar mass = 65.01 g/mol. The chemical formula of…

Q: What is the mass, in grams, of (a) 0.50 mol of diamond (C) and(b) 0.155 mol of ammonium chloride?

A:

Q: The chemical formula of lysine (a building block of proteins) is C6H14N2O2. Given that the formula…

A: Given, Formula mass of lysine, C6H14N2O2 = 146.19 amu = 146.19 g/mol

Q: What is the mass percent of chromium in Fe2(CrO4)3, which has a molar mass if 460 g/mol

A: Mass percent is the mass of the element or solute divided by the mass of the compound or solute. The…

Q: Calculate the mass in grams of 2.688 mol of       a. chlorophyll, C55H72N4O5Mg, responsible for  the…

A:

Q: What is the mass, in grams, of 1.40×1021 molecules of aspirin, C9H8O4

A: The number of constituent particles or atoms present in one mole of a substance is known as Avogadro…

Q: 3. What is the mass in grams of 0.0435 moles of alcohol (C,H;OH)?

A: Molar mass = 2 • ( molar atomic mass C ) + 6 • ( molar atomic mass of H ) + ( molar atomic mass of O…

Q: What is the mass in grams of 3.60 mol of lactic acid (C3H6O3), the compound responsible for the…

A:

Q: How many moles of hydrogen are in 3.06 x 103g of glycine , C2H5NO2?

A:

Q: For many years the extraction of gold-that is, the separation of gold from other materials-involved…

A: P

Q: Which is the correct mass percentage of hydrogen in acetamide, C₂H₅NO?

A:

Q: Calculate the formula weight of (a) sucrose, C12H22O11 (table sugar); and (b) calcium nitrate,…

A:

Q: How many moles are present in 258.6 grams of magnesium oxalate, MGC204?

A: Given: The mass of magnesium oxalate =258.6 g   Molar mass of magnesium oxalate = 112.32 g/mole   No…

Q: 8. How many moles are there in 7.5 x 1043 molecules of H2SO,?

A: Given that , Molecules of H2SO4= 7.5×10^23

Q: What is the molar mass of Mg3(PO4)2, a substance formerly used in medicine as an antacid?

A: Molar mass of Mg3(PO4)2 is calculated as,

Q: Calculate the mass in grams of 1.35 mol of     a) titanium white, TiO2 , used as a paint pigment.…

A:

Q: One of the hydrates of MnSO4 is manganese(II) sulfate dihydrate . A 69.7 gram sample of MnSO4  2…

A:

Q: 11) What is the mass of 2.25 moles of the Zn(CIO3)2 molecule?

A: Number of moles = Mass / molar mass

Q: Ethylenediaminetetraacetic acid (EDTA) is a chemical that binds metals such as lead, to treat lead…

A: EDTA is Ethylenediaminetetraacetic acid whose chemical formula is (C10H16N2O8)  Number of carbon…

Q: One of the hydrates of CoSO4 is cobalt(II) sulfate hexahydrate . A 71.1 gram sample of CoSO4 6 H2O…

A: Answer

Q: A single tablet of regular strength Tylenol contains 325 mg of the active ingredient, acetaminophen…

A: The molecular formula of acetaminophen has been provided as C8H9NO2.

Q: B. What is empirical formula of a compound 32.65% S, 65.3% O and 2.04% H?

A: Convert the percentage to gram, 32.65%  = 32.65g of S. 65.3% = 65.3g of O. 2.04%=2.04 g of H

Q: Your doctor has diagnosed you as being anemic—that is, as having too little iron in your blood. At…

A: Answer:- This question is answered by using the simple concept of calculation number of atoms which…

Q: Ammonia (NH,) chemically reacts with oxygen gas (0,) to produce nitric oxide (NO) and water (H,O).…

A: Note: Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: The approximate minimum daily dietary requirement of the amino acid leucine, C6H13NO2, is 1.1 g.…

A: Molar mass of the amino acid leucine ( C6H13NO2 ) = 12 x 6 + 1 x 13 + 14 x 1 + 16 x 2 = 72 + 13 + 14…

Q: A rock is 6.5% by mass fayalite (Fe2SiO4), 14.2% by mass forsterite (Mg2SiO4), and the remainder…

A: In this question given: Fe2SiO4- Fayalite has 6.5% and 14.2% by mass forsterite, remaining is 79.3%…

Q: 5.2C23 molecules of hand sanitizer, ethanol (C,I IO ) is how many moles?

A: Given, Molecules of Ethanol = 23 General formula is: 1 mole has 6.023 x 1023 molecules.

Q: What is the molar mass of nitroglycerin, C3HS(NO3)3?

A: Molar mass of a compound is equal to the sum of atomic masses of all the elements in that compound.…

Q: Capsaicin, the compound that gives the hot taste to chili peppers, has the formula C18H27NO3.(a)…

A: The molecular formula of capsaicin is C18H27NO3.

Q: The molar mass of M(OH)4 by the hypothetical metal M, is 190.052 g/mol what is the molar mass of the…

A: Molar mass of a compound is equal to the sum of the molar masses of all the elements. The molar mass…

Q: How many particles of glucose are present in 0.53 moles of C,H,2O6? (what kind of particles are…

A:

Q: What is the mass in grams of 1.59 moles of aluminum oxide Al,O3 ?

A: Q - What is the mass in grams of 1.59 moles of aluminum oxide Al2O3

Q: What is the mass percent of aluminum in Al(NO3)3 • 9H2O?

A: The compound given is Al(NO3)3•9H2O.

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.